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Abstract <p>A new silicon tracking station has been developed and integrated into the BM@N experiment at the Nuclotron in order to improve track reconstruction efficiency for particles produced at midrapidity. The station is based on CBM–BM@N type modules equipped with double-sided silicon strip detectors and a streaming readout system utilizing STS/MUCH-XYTER ASICs. Each module provides high spatial resolution and reliable performance under high-multiplicity collision conditions, while maintaining a minimal material budget through usage of light (0.23 X<sub>0</sub>) microcables for the signal transmission from the detector to the front-end electronics. In-beam tests with a 1 GeV proton beam confirmed a spatial resolution of ~15 µm, time resolution of 9.9 ns, and detection efficiency above 99%. These results validate the design and readiness of the system for operation as part of the upgraded BM@N tracking setup.</p>

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Silicon Tracking Station with a Streaming Readout as a Part of the BM@N Tracking System

  • 期刊论文

  • 发表日期：

    2026年5月25日

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  • D. Dementev,
  • D. Andreev,
  • A. Kolozhvari,
  • V. Leontyev,
  • M. Shitenkov,
  • A. Sheremetev,
  • Yu. Murin

摘要

Abstract

A new silicon tracking station has been developed and integrated into the BM@N experiment at the Nuclotron in order to improve track reconstruction efficiency for particles produced at midrapidity. The station is based on CBM–BM@N type modules equipped with double-sided silicon strip detectors and a streaming readout system utilizing STS/MUCH-XYTER ASICs. Each module provides high spatial resolution and reliable performance under high-multiplicity collision conditions, while maintaining a minimal material budget through usage of light (0.23 X0) microcables for the signal transmission from the detector to the front-end electronics. In-beam tests with a 1 GeV proton beam confirmed a spatial resolution of ~15 µm, time resolution of 9.9 ns, and detection efficiency above 99%. These results validate the design and readiness of the system for operation as part of the upgraded BM@N tracking setup.